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- Which of the following is NOT true of bacterial exotoxins? 1. Important in the pathogenesis of many human diseases 2. Their toxic effect can be systemic, affecting cells distant from the primary site of infection 3. None of the other four answers (All are true of bacterial exotoxins) 4. Different exotoxins may affect different types of cells (e.g., nerves, gastrointestinal mucosa) 5. Some exotoxins have two components, A (active) and B (binding)Most common symptoms of Lupus ret th Lupus is difficult to diagnose because symptoms come and go with the disease. Here's how frequently various symptoms occur. di ob Percentage of Patients Who Experience It in Symptom 95% Achy joints Fever over 100 degrees 90% 90% Arthritis (swollen joints) Prolonged of extreme fatigue 81% Skin rashes 74% Anemia 71% 50% Kidney involvement Chest pain on deep breathing 08 45% 42% alaxe Butterfly-shaped rash across cheeks and nose oni30% .C8 or p Hair Loss nsAbnormal blood clotting problems Sun or light sensitivity iso enw9 27% 6 pi 20% iloe eb17% Raynaud's phenomenon (fingers turn white or blue in cold) Seizures 15% Mouth or nose ulcers 12% Source: Lupus Foundation of America, Daily Herald, December 20, 1999 31. Systemic lupus erythematosus, or lupus, affects a few million people in the United States. Most of these people are young women. Lupus is a chronic, autoimmune disease that affects connective tissue in any part of the body. An attack can damage…Which term would best describe the occurrence of a disease that is not normally seen, yet occasionally a case will occur, such as tetanus? 1) endemic O 2) sporadic 3) epidemic O 4) pandemic
- All the following about Poliomyelitis 1 point are correct except Humans are the only natural host. symptomatic and minor infections which can be called abortive poliomyelitis O Almost been eradicated worldwide O paralytogenicToxoplasmosis is caused by O Toxoplasma gondii and it can only be transmitted when eating soil. Toxoplasma gondii and horses are one of the main carriers of it in the US. Toxoplasma gondii and cats are one of the main carriers of it in the US. O Toxoplasma gondii and it does not exist in the US.E. histolytica and G. lamblia both infect which organ system? None of the listed answers are correct. O Integumentary O Gastrointestinal Circulatory O Respiratory
- Which of the following is NOT true about human plague (Yersinia pestis infection)? Which option is the answer? 1. None of the other four answers (All are true about human plague) 2. Infected fleas’ gastrointestinal tract is blocked by Y. pestis growth, causing them to regurgitate and infect a new host when they bite 3. Painful swollen lymph nodes are called “buboes” 4. Usually acquired in the US from bites of fleas that have fed on infected urban rats 5. Yersinia pestis infection of lymph nodes can sometimes spread to the lungs, causing secondary pneumonic plagueA patient arrives at the hospital and is in severe pain. However, after evaluation it appears as though their pain level is disproportionate to the appearance of the wound. What is a potential diagnosis and causative organism? . O Necrotizing fasciitis which is commonly caused by S. epidermidis O Staphylococcal scalded skin syndrome which is caused by S. aureus O Necrotizing fasciitis which is commonly caused by S. pyogenes O Impetigo which is caused by S. pyogenes Question 17 What is the role of cord factor? O Cord factor inhibits the movement of cilia in the respiratory system O Cord factor blocks the release of bacterial endotoxins O Cord factor stops neutrophil migration O Cord factor releases fibrin and captures monocytes Question 18 Cvanosis is a common sign for which pathogenic organism? 12Why would medication fail to cure HSV infections even though it prevents recurrent cold sores?
- The swelling of limbs typical of elephantiasis is due toa. allergic reaction to the filarial wormb. granuloma development due to inflammation by parasitesc. lymphatic circulation being blocked by filarial wormd. heart and liver failure due to infectionWhich of the following statements about anthrax is incorrect? there is a potential for long-term memory damage in survivors O the organism produces a 3-component toxin O transmission of this disease is by spores and it is not considered contagious O some strains of anthrax cause the inhalation form, while others cause the cutaneous form antibiotic therapy must be given early for effective treatmentWatch Video: https://www.youtube.com/watch?v=DueeDf9Uprg In addition to food, Norovirus is spread via aerosols and contact transmission. What is meant by this description? Can you think of environments in which Norovirus is especially worrisome?